7479456405 has 16 divisors (see below), whose sum is σ = 11970127680. Its totient is φ = 3988044288.

The previous prime is 7479456371. The next prime is 7479456409. The reversal of 7479456405 is 5046549747.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-7479456405 is a prime.

It is a super-2 number, since 2×7479456405² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7479456409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1554 + ... + 122316.

It is an arithmetic number, because the mean of its divisors is an integer number (748132980).

Almost surely, 2^7479456405 is an apocalyptic number.

It is an amenable number.

7479456405 is a deficient number, since it is larger than the sum of its proper divisors (4490671275).

7479456405 is a wasteful number, since it uses less digits than its factorization.

7479456405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124900.

The product of its (nonzero) digits is 4233600, while the sum is 51.

The square root of 7479456405 is about 86483.8505444803. The cubic root of 7479456405 is about 1955.6449539266.

The spelling of 7479456405 in words is "seven billion, four hundred seventy-nine million, four hundred fifty-six thousand, four hundred five".